[INFO] cloning repository https://github.com/lf-/object-safety-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lf-/object-safety-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 482e4d19808b7eff6a1a7cbf952d95469dd019d0
[INFO] testing lf-/object-safety-issue against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flf-%2Fobject-safety-issue" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lf-/object-safety-issue on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lf-/object-safety-issue
[INFO] finished tweaking git repo https://github.com/lf-/object-safety-issue
[INFO] tweaked toml for git repo https://github.com/lf-/object-safety-issue written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/lf-/object-safety-issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 39ae5120ee86600468b3887153d3e7b350bf6d9f3447bf75a8a8896fabdec319
[INFO] running `Command { std: "docker" "start" "-a" "39ae5120ee86600468b3887153d3e7b350bf6d9f3447bf75a8a8896fabdec319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ae5120ee86600468b3887153d3e7b350bf6d9f3447bf75a8a8896fabdec319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ae5120ee86600468b3887153d3e7b350bf6d9f3447bf75a8a8896fabdec319", kill_on_drop: false }`
[INFO] [stdout] 39ae5120ee86600468b3887153d3e7b350bf6d9f3447bf75a8a8896fabdec319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ac53be182b9131dc6f33c6b78973c00f17220f327fd88d51fa84c9745effcbb
[INFO] running `Command { std: "docker" "start" "-a" "4ac53be182b9131dc6f33c6b78973c00f17220f327fd88d51fa84c9745effcbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling v v0.1.0 (/opt/rustwide/workdir/v)
[INFO] [stderr]    Compiling play-si1zd_4v v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0038]: the trait `T2` cannot be made into an object
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn f(a: Box<dyn T2>) {}
[INFO] [stdout]    |             ^^^^^^ `T2` cannot be made into an object
[INFO] [stdout]    |
[INFO] [stdout] note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
[INFO] [stdout]   --> src/main.rs:1:11
[INFO] [stdout]    |
[INFO] [stdout] 1  | trait T2: v::T1 {
[INFO] [stdout]    |       --  ^^^^^ ...because it requires `Self: Sized`
[INFO] [stdout]    |       |
[INFO] [stdout]    |       this trait cannot be made into an object...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0038`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `play-si1zd_4v` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4ac53be182b9131dc6f33c6b78973c00f17220f327fd88d51fa84c9745effcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac53be182b9131dc6f33c6b78973c00f17220f327fd88d51fa84c9745effcbb", kill_on_drop: false }`
[INFO] [stdout] 4ac53be182b9131dc6f33c6b78973c00f17220f327fd88d51fa84c9745effcbb